652221501 has 8 divisors (see below), whose sum is σ = 878594304. Its totient is φ = 430331520.

The previous prime is 652221497. The next prime is 652221523. The reversal of 652221501 is 105122256.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 652221501 - 2² = 652221497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652221001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120365 + ... + 1120946.

It is an arithmetic number, because the mean of its divisors is an integer number (109824288).

Almost surely, 2^652221501 is an apocalyptic number.

It is an amenable number.

652221501 is a deficient number, since it is larger than the sum of its proper divisors (226372803).

652221501 is a wasteful number, since it uses less digits than its factorization.

652221501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241411.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 652221501 is about 25538.6276256184. The cubic root of 652221501 is about 867.2248299106.

Adding to 652221501 its reverse (105122256), we get a palindrome (757343757).

The spelling of 652221501 in words is "six hundred fifty-two million, two hundred twenty-one thousand, five hundred one".